Home / 141,915,460.40-212,475,059.40-137,934,148.40

Finding the Fourth Proportional to 141,915,460.40, 212,475,059.40 and 137,934,148.40

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Solution

The fourth proportional to 141,915,460.40, 212,475,059.40 and 137,934,148.40 is: 206,514,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,915,460.40 : 212,475,059.40 = 137,934,148.40 : x
  2. Step 2: Convert to fraction form
    141,915,460.40/212,475,059.40 = 137,934,148.40/x
  3. Step 3: Cross multiply
    141,915,460.40x = 212,475,059.40 × 137,934,148.40
  4. Step 4: Simplify right side
    141,915,460.40x = 29,307,566,374,578,416
  5. Step 5: Solve for x
    x = 29,307,566,374,578,416/141,915,460.40
  6. Step 6: Final answer
    x = 206,514,260.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.